APA (7th ed.) Citation

United Nations Environment Programme & Environment Training Programme. (1981). Environment and development in Africa: A study. Published for the United Nations Environment Programme by Pergamon Press.

Chicago Style (17th ed.) Citation

United Nations Environment Programme and Environment Training Programme. Environment and Development in Africa: A Study. Oxford ; New York: Published for the United Nations Environment Programme by Pergamon Press, 1981.

MLA (9th ed.) Citation

United Nations Environment Programme and Environment Training Programme. Environment and Development in Africa: A Study. Published for the United Nations Environment Programme by Pergamon Press, 1981.